stealerium | d909f5519de499c7329a54e007ec94cf45d304e9fb17daaf7ee3cdf43675691c

Resubmissions

29/06/2024, 16:04

240629-thw9katerp 10

29/06/2024, 15:09

240629-sjzkmsshnl 10

Analysis

max time kernel
125s
max time network
126s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
29/06/2024, 15:09

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General

Target

stub.exe
Size

1.6MB
MD5

49ee25afe2ad0180077064793fadf22e
SHA1

74e760041f9f2359ddad1d2d89f86c3052bedc9f
SHA256

d909f5519de499c7329a54e007ec94cf45d304e9fb17daaf7ee3cdf43675691c
SHA512

f17edd410d1af94fcff5bf782ae24a83d1978e3ed45145da99a76a3b326fdc85f3b4969e98b569e631d17f51e67ec688c5b5abf755c4af7fe190976f847c521b
SSDEEP

24576:1di2Q9NXw2/wPOjdGxY2rqkqjVnlqud+/2P+A+ZecdyFoBkkAnexMrdgLnF:1UTq24GjdGSiqkqXfd+/9AqYanieKd

Score

10^/10

stealerium stealer

Malware Config

Signatures

Stealerium
An open source info stealer written in C# first seen in May 2022.
stealer stealerium

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\Control Panel\International\Geo\Nation	stub.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs

Web Service

T1102

flow	ioc
21	discord.com
22	discord.com

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
4680	timeout.exe

Kills process with taskkill 1 IoCs

evasion

pid	Process
2020	taskkill.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2616	stub.exe
2616	stub.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2616	stub.exe
Token: SeDebugPrivilege	2020	taskkill.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2616 wrote to memory of 1804	2616	stub.exe	99
PID 2616 wrote to memory of 1804	2616	stub.exe	99
PID 2616 wrote to memory of 1804	2616	stub.exe	99
PID 1804 wrote to memory of 3396	1804	cmd.exe	101
PID 1804 wrote to memory of 3396	1804	cmd.exe	101
PID 1804 wrote to memory of 3396	1804	cmd.exe	101
PID 1804 wrote to memory of 2020	1804	cmd.exe	102
PID 1804 wrote to memory of 2020	1804	cmd.exe	102
PID 1804 wrote to memory of 2020	1804	cmd.exe	102
PID 1804 wrote to memory of 4680	1804	cmd.exe	103
PID 1804 wrote to memory of 4680	1804	cmd.exe	103
PID 1804 wrote to memory of 4680	1804	cmd.exe	103

C:\Users\Admin\AppData\Local\Temp\stub.exe
"C:\Users\Admin\AppData\Local\Temp\stub.exe"
1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2616
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C C:\Users\Admin\AppData\Local\Temp\tmp1D37.tmp.bat
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1804
- - C:\Windows\SysWOW64\chcp.com
    chcp 65001
    3⤵
    PID:3396
- - C:\Windows\SysWOW64\taskkill.exe
    TaskKill /F /IM 2616
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:2020
- - C:\Windows\SysWOW64\timeout.exe
    Timeout /T 2 /Nobreak
    3⤵
    - Delays execution with timeout.exe
    PID:4680

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=4200,i,10373433614523925616,13586256558317053467,262144 --variations-seed-version --mojo-platform-channel-handle=4004 /prefetch:8
1⤵
PID:4636

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Web Service

T1102

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp1D37.tmp.bat

Filesize
57B

MD5
083c6fdce55536ba4f3165735e306729

SHA1
c428d7903394f51523d31e0cd453e2373e7a8caf

SHA256
c4453f0f4828ef4ff94cca8a2c50f6453db50e7c3b6477d13db03cc689aa2ef8

SHA512
3fb8f1b3181448c34b16cca85f70b56cd91a0592d7e92e373597872d47ec3226adef0841df8cc4342c67d74d00dc6737294769899f8f91e5827db8009d0d869f

Download Submit
memory/2616-0-0x0000000074A1E000-0x0000000074A1F000-memory.dmp

Filesize
4KB

Download
memory/2616-1-0x0000000000760000-0x00000000008F6000-memory.dmp

Filesize
1.6MB

Download
memory/2616-2-0x0000000005270000-0x00000000052D6000-memory.dmp

Filesize
408KB

Download
memory/2616-3-0x0000000074A10000-0x00000000751C0000-memory.dmp

Filesize
7.7MB

Download
memory/2616-7-0x00000000058F0000-0x0000000005982000-memory.dmp

Filesize
584KB

Download
memory/2616-8-0x0000000005980000-0x00000000059A6000-memory.dmp

Filesize
152KB

Download
memory/2616-9-0x00000000059D0000-0x00000000059D8000-memory.dmp

Filesize
32KB

Download
memory/2616-14-0x0000000074A10000-0x00000000751C0000-memory.dmp

Filesize
7.7MB

Download